Stock: 600BHP-) Tuned: 693BHP Stock: 457ft/lbs -) Tuned: 585ft/lbs In terms of 'Power Under the Curve' our software delivers significant gain in the meat of the power band. Focused on delivering tractable torque, and reliable and safe power. Pops & burbles available on request for those who want to see flames! FITS ALL MCLAREN 600LT MODELS